<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>表格标签</title>
</head>
<body>
    <table border="1" width="300px" height="300px"  >
        <tr>
            <th colspan="3">课程表</th>
        </tr>
        <tr align="center">
            <td rowspan="3">周一</td>
            <td>上午</td>
            <td>语文</td>
        </tr>

        <tr align="center">
            <td>中午</td>
            <td>数学(体育)</td>
        </tr>
        <tr align="center">
            <td>下午</td>
            <td>睡觉</td>
        </tr>



        <tr align="center">
            <td rowspan="3">周二</td>
            <td>上午</td>
            <td>语文</td>
        </tr>

        <tr align="center">
            <td>中午</td>
            <td>数学(体育)</td>
        </tr>
        <tr align="center">
            <td>下午</td>
            <td>睡觉</td>
        </tr>
    </table>
</body>
</html>